For well-distributed points, nearest neighbor search is often near O(logn)O(\log n)O(logn) in practice. In the worst case (all points clustered tightly or along a line), it can degrade to O(n)O(n)O(n), but this is uncommon with typical spatial data.
"completed": false,
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task_type: feature|bugfix|refactor
Government racks up £100m bill responding to Covid inquiry
（三）以侮辱、诽谤或者其他方式侵害英雄烈士的姓名、肖像、名誉、荣誉，损害社会公共利益的；